1) Every motherboard CPU Processor requires some specified voltages.
See the voltages on PWM filter Coil and match them with specification of CPU VID voltages.

For what voltage a CPU needs go to CPU manufacturer site and Insert CPU serial number on that site.
It will give CPU details.
For example:-- In case of Intel Brand CPU,go to ark.intel.com and insert CPU serial number these will give complete detail of Intel CPU and in that confirm what voltage that CPU needs to Run.